620425643214352 has 40 divisors (see below), whose sum is σ = 1265621903942400. Its totient is φ = 293820768173952.

The previous prime is 620425643214331. The next prime is 620425643214397. The reversal of 620425643214352 is 253412346524026.

It is a junction number, because it is equal to n+sod(n) for n = 620425643214296 and 620425643214305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224537152 + ... + 227283487.

It is an arithmetic number, because the mean of its divisors is an integer number (31640547598560).

Almost surely, 2^{620425643214352} is an apocalyptic number.

It is an amenable number.

620425643214352 is an abundant number, since it is smaller than the sum of its proper divisors (645196260728048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620425643214352 is a wasteful number, since it uses less digits than its factorization.

620425643214352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451825183 (or 451825177 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 49.

Adding to 620425643214352 its reverse (253412346524026), we get a palindrome (873837989738378).

The spelling of 620425643214352 in words is "six hundred twenty trillion, four hundred twenty-five billion, six hundred forty-three million, two hundred fourteen thousand, three hundred fifty-two".